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Figure 1. Tunneling of apple fruit caused by larvae of the codling moth. Codling moth is the most important insect pest of apple and pears in North America. Damage is done by the larvae, which are cream-colored caterpillars that tunnel fruit and produce âwormyâ apples (Figure 1).
The Io moth is a textbook example of âstartleâ coloration. At rest, the adults are camouflaged, but when disturbed, they quickly draw the forewings apart, suddenly revealing the two bold eyespots, which can scare predators away.